ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY INFORMATION - Schedule of Types of TDR (Details)	3 Months Ended
	Mar. 31, 2022 loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modifications	6
Commercial | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modifications	1
Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modifications	1
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modifications	4
Contractual payment reduction and term extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modifications	3
Contractual payment reduction and term extension | Commercial | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modifications	1
Contractual payment reduction and term extension | Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modifications	1
Contractual payment reduction and term extension | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modifications	1
Maturity Date Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modifications	0
Maturity Date Extension | Commercial | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modifications	0
Maturity Date Extension | Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modifications	0
Maturity Date Extension | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modifications	0
Discharged in bankruptcy
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modifications	2
Discharged in bankruptcy | Commercial | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modifications	0
Discharged in bankruptcy | Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modifications	0
Discharged in bankruptcy | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modifications	2
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modifications	1
Other | Commercial | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modifications	0
Other | Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modifications	0
Other | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modifications	1